442927 has 4 divisors (see below), whose sum is σ = 454936. Its totient is φ = 430920.

The previous prime is 442919. The next prime is 442961. The reversal of 442927 is 729244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442927 - 2³ = 442919 is a prime.

It is a Duffinian number.

442927 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 442895 and 442904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949 + ... + 6022.

It is an arithmetic number, because the mean of its divisors is an integer number (113734).

2⁴⁴²⁹²⁷ is an apocalyptic number.

442927 is a deficient number, since it is larger than the sum of its proper divisors (12009).

442927 is a wasteful number, since it uses less digits than its factorization.

442927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008.

The product of its digits is 4032, while the sum is 28.

The square root of 442927 is about 665.5276102462. The cubic root of 442927 is about 76.2273317908.

It can be divided in two parts, 442 and 927, that added together give a square (1369 = 37²).

The spelling of 442927 in words is "four hundred forty-two thousand, nine hundred twenty-seven".